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Fed [463]
4 years ago
14

What substances are acidic

Physics
2 answers:
Sedbober [7]4 years ago
7 0
A substance with LOW pH. The lower the pH, the higher the acidity level is. pH has a direct effect on how acidic a substance is. For an example, battery acid. Battery acid has a pH level of about 1. This means that battery acid is very acidic. A substance is concidered acidic when it dips below the neutral pH level of 7.
Alex_Xolod [135]4 years ago
4 0

Answer:

PH7 is the normal level of about tap water/normal water.If anything is below PH7 then it is acidic,You would then call it LOW PH level.

Explanation:

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2Cu + 02 —> 2Cuo
Morgarella [4.7K]

Answer:

C

Explanation:

7 0
2 years ago
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In the experiment shown below, which is greater, the force of gravity on the pith balls (Fg) or the electrostatic force between
Paraphin [41]

Answer:

Electronic force

Explanation:

Maybe because its warmer and may have more force

8 0
3 years ago
According to the collision theory, all collisions do not lead to reaction. Which choice gives both reasons why not all collision
Maksim231197 [3]

Answer:

D.

Explanation:

reasons why not all collisions between reactant molecules lead to reaction

1.The total energy of two colliding molecules is less than some minimum amount of energy.

2. Molecules cannot react with each other unless a catalyst is present.

hence the correct option will be D that is 1 and 2.

8 0
4 years ago
A cannon ball is fired with an initial velocity of 75 m/s at an angle of 58 degree above the ground. What maximum height will it
KiRa [710]

Answer:

h = 206.4 m

range = 515.9 m

Explanation:

from the question we are given the following:

initial velocity (u) = 75 m/s

angle  above surface = 58 degrees

acceleration due to gravity (g) = 9.8 m/s^{2}

find the maximum height (h) and the horizontal distance

maximum height (h) = \frac{u^{2}sinθ^{2}  }{2g}

h =  \frac{75^{2}sin58^{2}  }{2 x 9.8}

h = 206.4 m              

the horizontal distance here is the range

range = \frac{u^{2}sin2θ }{g}

range = \frac{75^{2}sin(2 x 58) }{9.8}

range = 515.9 m

7 0
3 years ago
What services can you expect from a personal trainer?
ludmilkaskok [199]

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3 0
3 years ago
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